Product Description
Product Description
Power and communication cables are often laid in open trenches where the road and ground conditions result in the cable route having a number of curves. With the cable’s own weight and the high tensions involved the
cable cannot be fed cleanly.
We manufacture a lot of models Cable pulling block for different uses in the overhead transmission line construction.They have are
used to support conductors, OPGW, ADSS, communication lines.
| Dimension(mm) | Width(mm) | Diameter(mm) |
| 35*80 | 35 | 80 |
| 35*120 | 35 | 120 |
| 50*80 | 50 | 80 |
| 50*100 | 50 | 100 |
| 60*120 | 60 | 120 |
| 60*150 | 60 | 150 |
| 80*120 | 80 | 120 |
| 80*150 | 80 | 150 |
| 100*120 | 100 | 120 |
Company Profile
Packaging & Shipping
FAQ
1. What certificate does your company have?
Our company has international certificates below:
A. Quality management system certificate complies with GB/T 19001-2016/ISO 9001: 2015 requirements;
B. Environmental management system certificate complies with GB/T 24001-2016/ISO 14001: 2015 requirements;
C. Occupational health and safety management system certificate complies with ISO 45001: 2018 requirements.
2. Is your company a factory or a trader? What products can be provided?
We are a company of manufacturer of Fiber optical cable fitting, ADSS OPGW Tension & suspension set, Preformed dead end guy grip, FTTH accessories, Overhead transmission line fitting, Pole line hardware, Electrical HDG steel cross arm, Stay rod assembly, Bolts nuts, washers, and Electric power fitting.
3. What are the materials of your products? Can do other materials?
For our preformed guy grip dead end products are mostly made of galvanized steel wire or alloy clad steel wire, aluminum alloy wire for armor rods. Sometimes, customers want copper preformed materials, we indeed made it before.
However, we still listen to customers if different materials are required.
4. Can your company provide drawings?
Yes, we can. Drawings are a way of confirming the parameters of the products. By providing drawings, we can avoid mistakes. Sometimes, customers sent some pictures with measuring, we engineer can draw a very good technical drawing based on it.
5. Can you provide a Certificate of Origin? Or invoices certified by Embassies?
We have been already recorded and registered in the Commodity Inspection and Quarantine Bureau and the Embassy, so we are qualified to issue certificates of CZPT and invoices for different countries.
6. When customers show the target price or price from other suppliers, can you agree that?
We are happy when clients give us their advice about the buying price, that means, customers have interested to our company and products, and may in some way, also have trust in us. In this way, it’s no doubt to carefully check the target price from customers, listen to their requirements of quality. Give the best solutions.
| Type: | Cable Roller |
|---|---|
| Certification: | CE, RoHS, CCC, ISO |
| Customized: | Customized |
| Condition: | New |
| Feature: | Fire/Flame Retardant |
| Sample: | Availble |
| Samples: |
US$ 20/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
The importance of pulleys
A pulley is a wheel that rides on an axle or axle. The purpose of the pulley is to change the direction of the tensioning cable. The cable then transfers the power from the shaft to the pulley. This article explains the importance of pulleys and demonstrates several different uses for this machine. Also, see the Mechanical Advantages section below for the different types. let’s start.
simple machine
A simple pulley machine is a device used to transfer energy. It consists of a wheel with flexible material on the rim and a rope or chain tied to the other end. Then lift the load using the force applied to the other end. The mechanical advantage of this system is one, as the force applied to the load is the same as the force on the pulley shaft.
A simple pulley machine has many benefits, from the ability to build pyramids to building modern buildings with it. Pulleys are also popular with children because they can perform simple tasks such as lifting toys onto a slide, sliding them off the slide, and lifting them up again. These activities, called “transportation” by child development theorists, allow them to learn about the physics of simple machines in the process.
The mechanism works by using cables to transmit force. The cable is attached to one side of the pulley and the other side is pulled by the user. Lift the load by pulling on one end and the other end of the rope. Simple pulley machines have many commercial and everyday applications, including helping move large objects. They can be fixed or movable, and can be a combination of both. The present invention is a great tool for any beginner or engineer.
axis
The axle wheel is the basic mechanical part that amplifies the force. It may have originally appeared as a tool to lift buckets or heavy objects from a well. Its operation is demonstrated by large and small gears attached to the same shaft. When applied to an object, the force on the large gear F overcomes the force W on the pinion R. The ratio of these two forces is called the mechanical advantage.
The ideal mechanical advantage of shaft pulleys is their radius ratio. A large radius will result in a higher mechanical advantage than a small radius. A pulley is a wheel through which a rope or belt runs. Often the wheels are interconnected with cables or belts for added mechanical advantage. The number of support ropes depends on the desired mechanical advantage of the pulley.
In the design of the axle wheel, the axle is the fulcrum and the outer edge is the handle. In simple terms, wheels and axle pulleys are improved versions of levers. The axle pulley moves the load farther than the lever and connects to the load at the center of the axle. Shaft pulleys are versatile and widely used in construction.
rope or belt
Ropes or pulleys are mechanical devices used to move large masses. The rope supports a large mass and can be moved easily by applying a force equal to one quarter of the mass to the loose end. Quad pulleys have four wheels and provide the mechanical advantage of four wheels. It is often used in factories and workshops. It is also a popular choice in the construction industry. If you are installing a pulley in your vehicle, be sure to follow these simple installation instructions.
First, you need to understand the basics of how a rope or pulley works. The machine consists of one or more wheels that rotate on an axle. The rope or belt is wrapped around the pulley and the force exerted on the rope is spread around the pulley. It then transfers the force from one end of the rope to the other. The pulley system also helps reduce the force required to lift objects.
Another common rope or pulley is the differential pulley. This is similar to a rope pulley, but consists of two pulleys of different radii. The tension in the two halves of the rope supports half the load that the live pulley should carry. These two different types of pulleys are often used together in composite pulley systems.
Mechanical advantage
The mechanical advantage is the ratio of the force used to move the load through the pulley system to the force applied. It has been used to measure the effectiveness of pulley systems, but it also requires assumptions about applied forces and weights. In a simple 1:1 pulley system, the weight lifting the weight is the same as the weight of the person pulling the weight. Adding mechanical advantage can help make up for the lack of manpower.
This advantage stems from the mechanical properties of simple machines. It requires less force and takes up less space and time to accomplish the same task. The same effect can also be achieved by applying less force at a distance. Furthermore, this effect is called the output force ratio. The basic working principle of a pulley system is a rope with a fixed point at one end. The movable pulley can be moved with very little force to achieve the desired effect.
The load can be moved through the vertical entry using a simple pulley system. It can use a simple “pulley block” system with a 2:1 “ladder frame” or a 4:1 with dual pulleys. This can be combined with another simple pulley system to create a compound pulley system. In this case, a simple pulley system is pulling another pulley, giving it a 9:1 mechanical advantage.
Commonly used
You’ve probably seen pulley systems in your kitchen or laundry room. You probably already use it to hang clothes on an adjustable clothesline. You may have seen motor pulleys in the kitchens of commercial buildings. You might even have seen one on a crane. These machines use a pulley system to help them lift heavy loads. The same goes for theaters. Some pulleys are attached to the sides of the stage, enabling the operator to move up and down the stage.
Pulley systems have many uses in the oil and petroleum industry. For example, in the oil and gas industry, pulley systems are used to lay cables. They are arranged in a pulley structure to provide mechanical energy. When the rope is running, two pulleys are hung on the derrick to facilitate smooth running. In these applications, pulleys are very effective in lifting heavy objects.
A pulley is a simple mechanical device that converts mechanical energy into motion. Unlike chains, pulleys are designed to transfer power from one location to another. The force required to lift an object with a pulley is the same as that required by hand. It takes the same amount of force to lift a bucket of water, but it’s more comfortable to pull sideways. A bucket of water weighs the same as when lifted vertically, so it’s easy to see how this mechanism can be useful.
Safety Notice
When using pulleys, you should take several safety precautions to keep your employees and other workers on the job site safe. In addition to wearing a hard hat, you should also wear gloves to protect your hands. Using pulleys can lead to a variety of injuries, so it’s important to keep these precautions in mind before using pulleys. Here are some of the most common:
Pulleys are an important piece of equipment to have on hand when lifting heavy objects. Pulleys not only reduce the force required to lift an object, but also the direction of the force. This is especially important if you are lifting heavy objects, such as a lawn mower or motorcycle. Before starting, it is important to make sure that the anchoring system can support the full weight of the object you are lifting.
When using a pulley system, make sure the anchor points are adequate to support the load. Check with the pulley manufacturer to determine the weight it can safely lift. If the load is too large, composite pulleys can be used instead. For vertical lifts, you should use a sprocket set and wear personal protective equipment. Safety precautions when using pulleys are critical to worker health and safety.
editor by CX
2023-07-07